PubMed · 5566302
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G Gutmann. 1971-07-10. [Cervical headache].. https://pubmed.ncbi.nlm.nih.gov/5566302/
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A wide spectrum of manifestations and causes makes the diagnosis of neuralgic neuropathies difficult. In most cases, however, clinical and/or electrophysiological signs of a peripheral nerve disorder can be established. The pathomechanisms underlying pain are complex and not fully understood. They are not limited to the site of a lesion, but encompass the entire peripheral neurone, and may even involve the central neurones. Pathobiological correlates of chronic pain have been identified to involve the entire pain-mediating neuronal pathway.
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BACKGROUND: The aim of the study was to compare the clinical signs of patients with cervical and lumbar root affections. METHODS: From January 1994 to January 1995, we performed a prospective study on 395 patients. The study comprised 93 patients with a cervical and 302 patients with a lumbar root affection. 338 patients underwent surgery. General data, case histories, and neurological findings were analyzed. RESULTS: The patients with brachialgia had a nonradicular pain radiation in 67%, the patients with sciatica only in 35%. All other data showed no significant differences. The investigation also shows that a radicular pain radiation is significantly correlated with an unequivocal radicular deficit. In particular, the patients with a cervical radicular pain radiation had a highly significant incidence of a radicular neurological deficit. CONCLUSIONS: We could demonstrate in this prospective study that only about one third of the patients with a cervical root affection showed an unequivocal radicular pain radiation. This contradicts the traditional medical textbook concept of a cervical root compression syndrome. This difference in respect of the clinical signs of lumbar and cervical root compressions might be explained by the anatomical variations of cervical root anastomoses. To determine the affected cervical root level, further investigation of the myotomes is recommended.